Home / 156,276.42-215,608.41-88,283.46

Finding the Fourth Proportional to 156,276.42, 215,608.41 and 88,283.46

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Solution

The fourth proportional to 156,276.42, 215,608.41 and 88,283.46 is: 121,801.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,276.42 : 215,608.41 = 88,283.46 : x
  2. Step 2: Convert to fraction form
    156,276.42/215,608.41 = 88,283.46/x
  3. Step 3: Cross multiply
    156,276.42x = 215,608.41 × 88,283.46
  4. Step 4: Simplify right side
    156,276.42x = 19,034,656,439.90
  5. Step 5: Solve for x
    x = 19,034,656,439.90/156,276.42
  6. Step 6: Final answer
    x = 121,801.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.